/**
 * Axelor Business Solutions
 *
 * Copyright (C) 2017 Axelor (<http://axelor.com>).
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.axelor.apps.base.service.tax;

import java.lang.invoke.MethodHandles;
import java.util.List;

import org.joda.time.LocalDate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.axelor.apps.account.db.AccountManagement;
import com.axelor.apps.account.db.FiscalPosition;
import com.axelor.apps.account.db.Tax;
import com.axelor.apps.account.db.TaxLine;
import com.axelor.apps.base.db.Company;
import com.axelor.apps.base.db.Product;
import com.axelor.apps.base.db.ProductFamily;
import com.axelor.apps.base.exceptions.IExceptionMessage;
import com.axelor.exception.AxelorException;
import com.axelor.exception.db.IException;
import com.axelor.i18n.I18n;

public class AccountManagementServiceImpl implements  AccountManagementService{
	
	private static final Logger LOG = LoggerFactory.getLogger( MethodHandles.lookup().lookupClass() );


	/**
	 * Obtenir la bonne configuration comptable en fonction du produit et de la société.
	 * 
	 * @param product
	 * @param company
	 * @return
	 * @throws AxelorException 
	 */
	public AccountManagement getAccountManagement(Product product, Company company) throws AxelorException  {
		
		AccountManagement accountManagement = null;
		
		if (product.getAccountManagementList() != null && !product.getAccountManagementList().isEmpty())  {
			accountManagement = this.getAccountManagement(product.getAccountManagementList(), company);
		}
		
		if (accountManagement == null && product.getProductFamily() != null) {
			accountManagement = this.getAccountManagement(product.getProductFamily(), company);
		}
		
		if (accountManagement == null)  {
			this.generateAccountManagementException(product, company);
		}
		
		return accountManagement;
		
	}
	
	public void generateAccountManagementException(Product product, Company company) throws AxelorException  {
		
		throw new AxelorException(String.format(I18n.get(IExceptionMessage.ACCOUNT_MANAGEMENT_1), product.getCode(), company.getName()), IException.CONFIGURATION_ERROR);
	
	}
	
	
	/**
	 * Obtenir la bonne configuration comptable en fonction de la famille de produit et de la société
	 * 
	 * @param productFamily
	 * @param company
	 * @return
	 * @throws AxelorException 
	 */
	public AccountManagement getAccountManagement(ProductFamily productFamily, Company company) throws AxelorException{
		
		if(productFamily.getAccountManagementList() != null && !productFamily.getAccountManagementList().isEmpty())  {
			return this.getAccountManagement(productFamily.getAccountManagementList(), company);
		}
		
		return null;
		
	}
	
	
	
	/**
	 * Obtenir la bonne configuration comptable en fonction de la société.
	 * 
	 * @param accountManagements
	 * @param company
	 * @return
	 */
	public AccountManagement getAccountManagement(List<AccountManagement> accountManagements, Company company){
		
		for (AccountManagement accountManagement : accountManagements){
			if (accountManagement.getCompany().equals(company)){
				LOG.debug("Obtention de la configuration comptable => société: {}",	company.getName());
				
				return accountManagement;
			}
		}
		return null;
		
	}
	
	
	/**
	 * Obtenir le compte comptable d'une taxe.
	 * 
	 * @param product
	 * @param company
	 * @param isPurchase
	 * @return
	 * @throws AxelorException 
	 */
	public Tax getProductTax(Product product, Company company, FiscalPosition fiscalPosition, boolean isPurchase) throws AxelorException{
		
		LOG.debug("Obtention du compte comptable pour le produit {} (société : {}, achat ? {})",
			new Object[]{product.getCode(), company.getName(), isPurchase});
		
		Tax tax = new FiscalPositionServiceImpl().getTax(
					fiscalPosition,
					this.getProductTax(
						this.getAccountManagement(product, company), 
						isPurchase));
		
		if(tax != null)  {  return tax;  }
		
		throw new AxelorException(String.format(I18n.get(IExceptionMessage.ACCOUNT_MANAGEMENT_3), product.getCode(), company.getName()), IException.CONFIGURATION_ERROR);
			
	}
	
	
	/**
	 * Obtenir le compte comptable d'une taxe.
	 * 
	 * @param product
	 * @param company
	 * @param isPurchase
	 * @return
	 */
	public Tax getProductTax(AccountManagement accountManagement, boolean isPurchase){
		
		if(isPurchase)  { return accountManagement.getPurchaseTax(); }
		else { return accountManagement.getSaleTax(); }
			
	}
	
	
	
	/**
	 * Obtenir la version de taxe d'un produit.
	 * 
	 * @param product
	 * @param amendment
	 * @return
	 * @throws AxelorException 
	 */
	public TaxLine getTaxLine(LocalDate date, Product product, Company company, FiscalPosition fiscalPosition, boolean isPurchase) throws AxelorException {

		TaxLine taxLine = new TaxService().getTaxLine(this.getProductTax(product, company, fiscalPosition, isPurchase), date);
		if(taxLine != null)  {
			return taxLine;
		}

		throw new AxelorException(String.format(I18n.get(IExceptionMessage.ACCOUNT_MANAGEMENT_2), product.getCode()), IException.CONFIGURATION_ERROR);
		
	}
	
	
}
